Unreleased Content

There is a large amount of unreleased content for Oxygen Not Included. Some of these can occasionally be reached in game (such as Refined Metals), but many of them are only hinted at in the files, art assets, or developer streams.

Critters
Two critters are currently in the files but not in-game:

Plants
The files mention several plants that are not obtainable:

Buildings
The files have many unreleased buildings, such as:


 * Smelter
 * Oxypressurizer
 * Salt Lamp
 * Laser Burner
 * Metal Reclaimer
 * Stasis Chamber
 * Plant Air Conditioner
 * Splitters and Joiners for Electricity, Liquid, and Gas
 * Omniprinter
 * Liquid Channel